188891521

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15607}}^1$

素因数の和:15653

約数の個数: 24

約数和(自身を含む): 249103680

約数和(自身を除く): 60212159

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 12103, 15607, 109249, 202891, 296533, 764743, 1420237, 2075731, 3854929, 9941659, 14530117, 26984503, 188891521]

約数ペア:

[(1, 188891521), (7, 26984503), (13, 14530117), (19, 9941659), (49, 3854929), (91, 2075731), (133, 1420237), (247, 764743), (637, 296533), (931, 202891), (1729, 109249), (12103, 15607)]